Home / 222,578,213.69-307,156,950.88-127,207,131.35

Finding the Fourth Proportional to 222,578,213.69, 307,156,950.88 and 127,207,131.35

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Solution

The fourth proportional to 222,578,213.69, 307,156,950.88 and 127,207,131.35 is: 175,545,278.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,578,213.69 : 307,156,950.88 = 127,207,131.35 : x
  2. Step 2: Convert to fraction form
    222,578,213.69/307,156,950.88 = 127,207,131.35/x
  3. Step 3: Cross multiply
    222,578,213.69x = 307,156,950.88 × 127,207,131.35
  4. Step 4: Simplify right side
    222,578,213.69x = 39,072,554,594,232,512
  5. Step 5: Solve for x
    x = 39,072,554,594,232,512/222,578,213.69
  6. Step 6: Final answer
    x = 175,545,278.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.